Alaska Airlines will charge your 85,000 miles roundtrip in business class on each route. (straighttothepoints.co)
Etihad also has a great partner network of airlines including Brussels Airlines which allows you to fly roundtrip in business class from the United States to Brussels for only 36,620 Etihad Miles. (pointsmilesandmore.com)
These start at $ 5.60 each direction for domestic awards and go up to $ 300 if you fly roundtrip in Business Class to the United Kingdom. (milevalue.com)